Home / 129,615.04-194,352.19-58,454.43

Finding the Fourth Proportional to 129,615.04, 194,352.19 and 58,454.43

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Solution

The fourth proportional to 129,615.04, 194,352.19 and 58,454.43 is: 87,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,615.04 : 194,352.19 = 58,454.43 : x
  2. Step 2: Convert to fraction form
    129,615.04/194,352.19 = 58,454.43/x
  3. Step 3: Cross multiply
    129,615.04x = 194,352.19 × 58,454.43
  4. Step 4: Simplify right side
    129,615.04x = 11,360,746,485.70
  5. Step 5: Solve for x
    x = 11,360,746,485.70/129,615.04
  6. Step 6: Final answer
    x = 87,649.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.